<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>CSS Test: Margin collapsing with the root element</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
        <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-08-15 -->
        <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins" />
		<link rel="match" href="margin-collapse-020-ref.xht" />

        <meta name="flags" content="ahem image" />
        <meta name="assert" content="For HTML pages the html element does not collapse its margins with other elements." />
        <style type="text/css">
            html
            {
                background: url('support/margin-collapse-020.png') 0 -1em no-repeat;
                font: 20px/1em Ahem;
                margin-top: 1em;
            }
            body
            {
                margin: 0;
            }
            div
            {
                background: green;
                margin-top: 1em;
                height: 1em;
                width: 5em;
            }
            p
            {
                font: 12pt serif;
            }
        </style>
    </head>
    <body>
        <div></div>
        <p>Test passes if there is <strong>no red</strong>.</p>
    </body>
</html>